28256076 has 36 divisors (see below), whose sum is σ = 72235800. Its totient is φ = 9311808.

The previous prime is 28256047. The next prime is 28256099. The reversal of 28256076 is 67065282.

28256076 is a `hidden beast` number, since 28 + 2 + 560 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28256076.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (2006550).

Almost surely, 2^28256076 is an apocalyptic number.

It is an amenable number.

28256076 is an abundant number, since it is smaller than the sum of its proper divisors (43979724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28256076 is a wasteful number, since it uses less digits than its factorization.

28256076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8918 (or 8913 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 28256076 is about 5315.6444576363. The cubic root of 28256076 is about 304.5818007641.

The spelling of 28256076 in words is "twenty-eight million, two hundred fifty-six thousand, seventy-six".